mirror of
https://github.com/dz0ny/meshcore-sar.git
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feat: MeshCore SAR - Flutter BLE mesh radio companion app
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Janez T
433
lib/providers/map_provider.dart
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433
lib/providers/map_provider.dart
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import 'package:flutter/foundation.dart';
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import 'package:flutter_map/flutter_map.dart';
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import 'package:latlong2/latlong.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../models/location_trail.dart';
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import '../models/map_drawing.dart';
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class MapProvider with ChangeNotifier {
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LatLng? _targetLocation;
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double? _targetZoom;
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bool _shouldAnimate = false;
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// Track which contact paths are currently visible
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final Set<String> _visibleContactPaths = {};
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// Location trail tracking
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LocationTrail? _currentTrail;
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bool _isTrailVisible = true;
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final List<LocationTrail> _trailHistory = [];
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// WMS overlay toggles
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bool _showCadastralOverlay = false;
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bool _showForestRoadsOverlay = false;
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bool _showHikingTrailsOverlay = false;
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bool _showMainRoadsOverlay = false;
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bool _showHouseNumbersOverlay = false;
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bool _showFireHazardZonesOverlay = false;
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bool _showHistoricalFiresOverlay = false;
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bool _showFirebreaksOverlay = false;
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bool _showKrasFireZonesOverlay = false;
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bool _showPlaceNamesOverlay = false;
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bool _showMunicipalityBordersOverlay = false;
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// Contact trail toggles
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bool _showAllContactTrails = true; // Default to showing all contact trails
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// Imported trail (from GPX)
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LocationTrail? _importedTrail;
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// Download area selection
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bool _isSelectingDownloadArea = false;
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LatLngBounds? _downloadAreaBounds;
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LatLng? get targetLocation => _targetLocation;
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double? get targetZoom => _targetZoom;
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bool get shouldAnimate => _shouldAnimate;
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Set<String> get visibleContactPaths => Set.unmodifiable(_visibleContactPaths);
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// Trail getters
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LocationTrail? get currentTrail => _currentTrail;
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bool get isTrailVisible => _isTrailVisible;
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List<LocationTrail> get trailHistory => List.unmodifiable(_trailHistory);
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bool get isTrailActive => _currentTrail?.isActive ?? false;
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// WMS overlay getters
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bool get showCadastralOverlay => _showCadastralOverlay;
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bool get showForestRoadsOverlay => _showForestRoadsOverlay;
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bool get showHikingTrailsOverlay => _showHikingTrailsOverlay;
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bool get showMainRoadsOverlay => _showMainRoadsOverlay;
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bool get showHouseNumbersOverlay => _showHouseNumbersOverlay;
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bool get showFireHazardZonesOverlay => _showFireHazardZonesOverlay;
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bool get showHistoricalFiresOverlay => _showHistoricalFiresOverlay;
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bool get showFirebreaksOverlay => _showFirebreaksOverlay;
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bool get showKrasFireZonesOverlay => _showKrasFireZonesOverlay;
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bool get showPlaceNamesOverlay => _showPlaceNamesOverlay;
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bool get showMunicipalityBordersOverlay => _showMunicipalityBordersOverlay;
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// Contact trail getters
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bool get showAllContactTrails => _showAllContactTrails;
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// Imported trail getters
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LocationTrail? get importedTrail => _importedTrail;
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// Download area getters
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bool get isSelectingDownloadArea => _isSelectingDownloadArea;
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LatLngBounds? get downloadAreaBounds => _downloadAreaBounds;
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void navigateToLocation({
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required LatLng location,
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double zoom = 15.0,
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bool animate = true,
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}) {
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_targetLocation = location;
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_targetZoom = zoom;
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_shouldAnimate = animate;
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notifyListeners();
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}
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void clearNavigation() {
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_targetLocation = null;
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_targetZoom = null;
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_shouldAnimate = false;
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// Don't notify listeners to avoid rebuilds
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}
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/// Navigate to a drawing by its ID
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void navigateToDrawing(String drawingId, dynamic drawingProvider) {
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debugPrint('🗺️ [MapProvider] navigateToDrawing called with ID: $drawingId');
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// Find the drawing in the provider
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final drawings = drawingProvider.drawings as List;
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debugPrint('🗺️ [MapProvider] Total drawings in provider: ${drawings.length}');
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final drawing = drawings.cast<dynamic>().firstWhere(
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(d) => d.id == drawingId,
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orElse: () => null,
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);
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if (drawing == null) {
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debugPrint('⚠️ [MapProvider] Drawing $drawingId not found');
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debugPrint('⚠️ [MapProvider] Available drawing IDs: ${drawings.map((d) => d.id).toList()}');
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return;
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}
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// Use MapDrawing's built-in getCenter and getBounds methods
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final center = drawing.getCenter();
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final bounds = drawing.getBounds();
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// Calculate appropriate zoom level based on bounds
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// For larger drawings, use lower zoom to fit the whole drawing
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// For smaller drawings, use higher zoom for better detail
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final latDiff = (bounds.north - bounds.south).abs();
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final lonDiff = (bounds.east - bounds.west).abs();
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final maxDiff = latDiff > lonDiff ? latDiff : lonDiff;
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// Zoom scale: smaller drawings get higher zoom
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// 0.001 degrees (~100m) -> zoom 17
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// 0.005 degrees (~500m) -> zoom 16
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// 0.01 degrees (~1km) -> zoom 15
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// 0.05 degrees (~5km) -> zoom 13
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// 0.1 degrees (~10km) -> zoom 12
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double zoom = 15.0;
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if (maxDiff < 0.001) {
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zoom = 17.0;
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} else if (maxDiff < 0.005) {
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zoom = 16.0;
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} else if (maxDiff < 0.01) {
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zoom = 15.0;
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} else if (maxDiff < 0.05) {
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zoom = 13.0;
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} else if (maxDiff < 0.1) {
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zoom = 12.0;
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} else {
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zoom = 10.0;
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}
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final typeStr = drawing is LineDrawing ? 'line' : 'rectangle';
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debugPrint('🗺️ [MapProvider] Navigating to drawing: $typeStr, zoom: $zoom');
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navigateToLocation(location: center, zoom: zoom, animate: true);
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}
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void updateZoom(double zoom) {
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_targetZoom = zoom;
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notifyListeners();
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}
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/// Toggle path visibility for a contact
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void toggleContactPath(String publicKeyHex) {
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if (_visibleContactPaths.contains(publicKeyHex)) {
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_visibleContactPaths.remove(publicKeyHex);
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} else {
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_visibleContactPaths.add(publicKeyHex);
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}
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notifyListeners();
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}
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/// Check if a contact's path is visible
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bool isContactPathVisible(String publicKeyHex) {
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return _visibleContactPaths.contains(publicKeyHex);
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}
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/// Hide all contact paths
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void hideAllPaths() {
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_visibleContactPaths.clear();
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notifyListeners();
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}
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/// Show path for specific contact (hide all others)
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void showOnlyPath(String publicKeyHex) {
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_visibleContactPaths.clear();
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_visibleContactPaths.add(publicKeyHex);
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notifyListeners();
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}
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/// Start a new location trail
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void startTrail() {
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// End current trail if active
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if (_currentTrail != null && _currentTrail!.isActive) {
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endTrail();
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}
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_currentTrail = LocationTrail(
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id: DateTime.now().millisecondsSinceEpoch.toString(),
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startTime: DateTime.now(),
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);
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_isTrailVisible = true;
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notifyListeners();
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}
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/// Add a point to the current trail
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void addTrailPoint(LatLng position, {double? accuracy, double? speed}) {
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if (_currentTrail == null || !_currentTrail!.isActive) {
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startTrail();
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}
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_currentTrail!.addPoint(TrailPoint(
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position: position,
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timestamp: DateTime.now(),
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accuracy: accuracy,
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speed: speed,
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));
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notifyListeners();
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}
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/// End the current trail
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void endTrail() {
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if (_currentTrail != null) {
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_currentTrail!.isActive = false;
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_currentTrail!.endTime = DateTime.now();
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if (_currentTrail!.points.isNotEmpty) {
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_trailHistory.add(_currentTrail!);
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}
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_currentTrail = null;
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notifyListeners();
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}
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}
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/// Toggle trail visibility
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void toggleTrailVisibility() {
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_isTrailVisible = !_isTrailVisible;
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notifyListeners();
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}
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/// Clear the current trail
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void clearCurrentTrail() {
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if (_currentTrail != null) {
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_currentTrail = null;
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notifyListeners();
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}
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}
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/// Clear all trail history
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void clearAllTrails() {
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_currentTrail = null;
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_trailHistory.clear();
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notifyListeners();
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}
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/// Get total trail distance in meters
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double get totalTrailDistance {
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if (_currentTrail == null) return 0;
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return _currentTrail!.totalDistance;
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}
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/// Get trail duration
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Duration get trailDuration {
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if (_currentTrail == null) return Duration.zero;
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return _currentTrail!.duration;
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}
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/// Toggle cadastral parcels overlay
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Future<void> toggleCadastralOverlay() async {
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_showCadastralOverlay = !_showCadastralOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle forest roads overlay
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Future<void> toggleForestRoadsOverlay() async {
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_showForestRoadsOverlay = !_showForestRoadsOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle hiking trails overlay
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Future<void> toggleHikingTrailsOverlay() async {
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_showHikingTrailsOverlay = !_showHikingTrailsOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle main roads overlay
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Future<void> toggleMainRoadsOverlay() async {
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_showMainRoadsOverlay = !_showMainRoadsOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle house numbers overlay
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Future<void> toggleHouseNumbersOverlay() async {
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_showHouseNumbersOverlay = !_showHouseNumbersOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle fire hazard zones overlay
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Future<void> toggleFireHazardZonesOverlay() async {
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_showFireHazardZonesOverlay = !_showFireHazardZonesOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle historical fires overlay
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Future<void> toggleHistoricalFiresOverlay() async {
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_showHistoricalFiresOverlay = !_showHistoricalFiresOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle firebreaks overlay
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Future<void> toggleFirebreaksOverlay() async {
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_showFirebreaksOverlay = !_showFirebreaksOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle Kras fire zones overlay
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Future<void> toggleKrasFireZonesOverlay() async {
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_showKrasFireZonesOverlay = !_showKrasFireZonesOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle place names overlay
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Future<void> togglePlaceNamesOverlay() async {
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_showPlaceNamesOverlay = !_showPlaceNamesOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Toggle municipality borders overlay
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Future<void> toggleMunicipalityBordersOverlay() async {
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_showMunicipalityBordersOverlay = !_showMunicipalityBordersOverlay;
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notifyListeners();
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await _saveOverlayState();
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}
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/// Load overlay state from SharedPreferences
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Future<void> loadOverlayState() async {
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final prefs = await SharedPreferences.getInstance();
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_showCadastralOverlay = prefs.getBool('map_show_cadastral_overlay') ?? false;
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_showForestRoadsOverlay = prefs.getBool('map_show_forest_roads_overlay') ?? false;
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_showHikingTrailsOverlay = prefs.getBool('map_show_hiking_trails_overlay') ?? false;
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_showMainRoadsOverlay = prefs.getBool('map_show_main_roads_overlay') ?? false;
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_showHouseNumbersOverlay = prefs.getBool('map_show_house_numbers_overlay') ?? false;
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_showFireHazardZonesOverlay = prefs.getBool('map_show_fire_hazard_zones_overlay') ?? false;
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_showHistoricalFiresOverlay = prefs.getBool('map_show_historical_fires_overlay') ?? false;
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_showFirebreaksOverlay = prefs.getBool('map_show_firebreaks_overlay') ?? false;
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_showKrasFireZonesOverlay = prefs.getBool('map_show_kras_fire_zones_overlay') ?? false;
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_showPlaceNamesOverlay = prefs.getBool('map_show_place_names_overlay') ?? false;
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_showMunicipalityBordersOverlay = prefs.getBool('map_show_municipality_borders_overlay') ?? false;
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notifyListeners();
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}
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/// Save overlay state to SharedPreferences
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Future<void> _saveOverlayState() async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.setBool('map_show_cadastral_overlay', _showCadastralOverlay);
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await prefs.setBool('map_show_forest_roads_overlay', _showForestRoadsOverlay);
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await prefs.setBool('map_show_hiking_trails_overlay', _showHikingTrailsOverlay);
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await prefs.setBool('map_show_main_roads_overlay', _showMainRoadsOverlay);
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await prefs.setBool('map_show_house_numbers_overlay', _showHouseNumbersOverlay);
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await prefs.setBool('map_show_fire_hazard_zones_overlay', _showFireHazardZonesOverlay);
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await prefs.setBool('map_show_historical_fires_overlay', _showHistoricalFiresOverlay);
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await prefs.setBool('map_show_firebreaks_overlay', _showFirebreaksOverlay);
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await prefs.setBool('map_show_kras_fire_zones_overlay', _showKrasFireZonesOverlay);
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await prefs.setBool('map_show_place_names_overlay', _showPlaceNamesOverlay);
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await prefs.setBool('map_show_municipality_borders_overlay', _showMunicipalityBordersOverlay);
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}
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/// Toggle all contact trails on/off
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Future<void> toggleAllContactTrails() async {
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_showAllContactTrails = !_showAllContactTrails;
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notifyListeners();
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await _saveTrailSettings();
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}
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/// Load trail settings from SharedPreferences
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Future<void> loadTrailSettings() async {
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final prefs = await SharedPreferences.getInstance();
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_showAllContactTrails = prefs.getBool('map_show_all_contact_trails') ?? true; // Default to true (show all)
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notifyListeners();
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}
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/// Save trail settings to SharedPreferences
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Future<void> _saveTrailSettings() async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.setBool('map_show_all_contact_trails', _showAllContactTrails);
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}
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/// Set imported trail (from GPX import)
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void setImportedTrail(LocationTrail trail) {
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_importedTrail = trail;
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notifyListeners();
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}
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/// Clear imported trail
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void clearImportedTrail() {
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_importedTrail = null;
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notifyListeners();
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}
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/// Replace current trail with imported trail
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void replaceCurrentTrailWithImport(LocationTrail importedTrail) {
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// End current trail if active
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if (_currentTrail != null && _currentTrail!.isActive) {
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endTrail();
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}
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// Set imported trail as current trail
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_currentTrail = importedTrail;
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_isTrailVisible = true;
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notifyListeners();
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}
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/// Enter download area selection mode with initial bounds
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void enterDownloadAreaMode(LatLngBounds initialBounds) {
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_isSelectingDownloadArea = true;
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_downloadAreaBounds = initialBounds;
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notifyListeners();
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}
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/// Exit download area selection mode
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void exitDownloadAreaMode() {
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_isSelectingDownloadArea = false;
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_downloadAreaBounds = null;
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notifyListeners();
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}
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/// Update the download area bounds (while dragging/resizing)
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void updateDownloadAreaBounds(LatLngBounds bounds) {
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_downloadAreaBounds = bounds;
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notifyListeners();
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}
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}
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